7a+12a=72

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Solution for 7a+12a=72 equation: 


Simplifying
7a + 12a = 72

Combine like terms: 7a + 12a = 19a
19a = 72

Solving
19a = 72

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '19'.
a = 3.789473684

Simplifying
a = 3.789473684

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